Konstantin Don Gruber defeated Daniel Schalen 6-2 6-0 in the Mexico 1 4 qualifying round on clay.
Don Gruber K. took it in straight sets.
Konstantin Don Gruber beat Daniel Schalen 6-2 6-0. Umpiry, "Konstantin Don Gruber vs Daniel Schalen — Mexico 1 4 Qualifying Round", https://umpiry.com/match/2001-03-12/gruber-vs-schalen-mexico-1-4-qf?utm_source=cite (as of 12 March 2001).